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Finding the Fourth Proportional to 3,662.37, 5,042.93 and 2,913.93

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Solution

The fourth proportional to 3,662.37, 5,042.93 and 2,913.93 is: 4,012.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,662.37 : 5,042.93 = 2,913.93 : x
  2. Step 2: Convert to fraction form
    3,662.37/5,042.93 = 2,913.93/x
  3. Step 3: Cross multiply
    3,662.37x = 5,042.93 × 2,913.93
  4. Step 4: Simplify right side
    3,662.37x = 14,694,730.45
  5. Step 5: Solve for x
    x = 14,694,730.45/3,662.37
  6. Step 6: Final answer
    x = 4,012.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.